Manuel d'utilisation / d'entretien du produit SRT2232X du fabricant Sylvania
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32" COLOR TELEVISION SR T2232X SERVICE MANUAL.
IMPORTANT SAFETY NOTICE Proper servic e and repair is important to the safe, relia ble operation of all Funai Equipm ent. The service proce dures recomm ended by Funai and de- scribed in this service ma n ual are effective methods of performin g service operations.
1-1 L6650S P SPECIFICATIONS <TUNER> ANT . Input --- ----------- ----- 75ohm Unbal., F ty pe Reference Lev el --------- -- 20Vp-p (CRT Green Cathod e) T est Input Signa l --------- - 400Hz 30 % modulati on <DEFLECTION> <VIDEO & CHROMA> <A UDIO> All ite ms are m easured acros s 8 Ω load a t spea ker output ter m inal.
2-1 L6115IM P IMPORTANT SAFETY PRECAUTIONS Prior to shi pment from the fact ory, our produ cts are str ictly in spec ted for reco gnized p roduct sa fety and elec trical codes o f the coun tries in wh ich the y are to be so ld .
2-2 L6115IM P ing is per formed tha t invol ves B+, ho rizontal de - flection or hig h voltage . Correct ope ration of th e X- radiation p rotec tion circ uits also mus t be rec on- firmed each time t hey are servic ed. (X-r adiation protecti on cir cuits a lso m ay be called "hor izonta l disable " or "hol d down.
2-3 L6115IM P Precautions during Servi cing A. Parts i dentifi ed by th e ( # ) symbo l are criti cal for safety. Replace o nly with part numb er sp ecified. B. In addit ion to sa fety, other p arts an d assembl ies are speci fied for c onform ance with regulati ons ap- plying to sp uriou s radiation.
2-4 L6115IM P Safety Check after Servi cing Exami ne the are a surro unding the repai red locati on for damage or deter ioratio n. Obser v e that screws, par ts and wire s have been retur ne d to or igin al posi - tions.
3-1 L6115S T A STANDARD NOTES FOR SERVICING Circuit Board I ndications a . The o utput p in of th e 3 pin Reg ulator ICs i s indic at- ed as shown. b. For othe r ICs, pin 1 a nd ever y fifth pin are in dicat- ed as shown. c . The 1st pin of ev ery mal e conne ctor is i ndicated as shown.
3-2 L6115S T A With Soldering Iron: (1) Using des olderin g braid, r emove the solder from all pins of the flat pack -IC. W hen yo u use sol der flux whi ch is ap plied to all pins of the fla t pack -IC, you can remove i t eas ily.
3-3 L6115S T A 2. Installat ion (1) Using des olderin g braid, r emove the solder from the foil of each pi n of th e flat pac k-IC on the CB A so you can install a r eplacem ent flat pack -IC more easily. (2) The " I " mark on the flat pac k-IC indica tes pin 1.
4-1 L665 0DC CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart This flo wcha r t indicates t he disasse mb ly step s f or the cabine t par t s, and the CBA in order to gain acce ss to item(s ) to be ser viced. W hen r eassembling, follow the steps in rev e rse orde r .
4-2 L665 0DC Fig. 1 S-1 S-2 S-4 [1] Rear Cabinet S-1 S-1 S-1 Fig. 2 [1] Rear Cabinet S-1 S-1 S-1 S-1 S-1 S-1 S-1 S-4 S-2 [3] Main CBA Fig. 3 Fig. 4 [4] CRT Anode Cap S-3 S-3 S-3 S-3.
4-3 L665 0DC CN691 ANODE CN801 CLN801 SP801 L691 DEGAUSSING COIL MAIN CBA FLYBACK TRANSFORMER T571 AC601 AC CORD TU1 TUNER WH501B WH301B FOCUS SCREEN WH501A WH301A TO CRT GROUND CN571 CN1501 CN802 CLN802 SP802 Fig.
5-1 L6650E A ELECTRICAL AD JUSTMENT INSTRUCTIONS Gen eral Note : "CBA" is abbreviation for "Circuit Board Assem - bly ." NO TE: Electr ical adju stment s are requ ired af ter repla cing circuit c ompon ents a nd certa in mecha nical parts.
5-2 L6650E A 2. Initia l S ett ing General 1. En ter the Se rvic e mode . (See pag e 5-1) 2. Pr es s "V OL p " button on the s ervi ce rem ote c ontr ol unit.
5-3 L6650E A 4. Set ting for BRIGHT, CONTRAST, COLOR, TINT and SHARPNESS data V alues General 1. Enter the Service mo de. (See pag e 5-1) 2. Press "MENU" button on th e service remote contr ol un it .
5-4 L6650E A 5. Black Stretch Contr ol Adjustment Purpo se: T o show the fine black color . Symptom of Misad justment: Bl ac k co lor wi ll not appea r correctl y . Note: Use ser vice remo te cont rol unit . 1. En ter the Se rvice mode. (S ee page 5-1) 2 .
5-5 L6650E A 8. H. Positi on Adjustment Purpo se: T o obtain corr ect hor izontal pos itio n of screen imag e. Symptom of Misadjustment: If H. P o sition i s incor- rect, ho rizontal pos ition of image on the scr een may not be proper ly di splay ed. Note: Use ser vi ce remo te cont rol unit 1.
5-6 L6650E A 12. V-Pedestal Adjustment 1. In VIDEO mo de of V 1, V2 , or YUV , press "3 " but ton on the servic e rem ote co ntrol unit an d selec t "V- PED" mode. (Di splay changes "U -PED" and "V - PED" cyclical ly when "3 " butto n is presse d).
5-7 L6650E A 16. Cut-off Adjustme nt Purpo se: T o adjust th e beam cur rent of R , G, B, and screen voltage. Symptom of Misadjustment: White co lor ma y be reddis h, greenish o r b luish. Note: Screen C ontrol FBT -- - Main CBA F .B .T= Fly B ack T ransf o rmer Use ser v ice rem ote con trol unit 1.
5-8 L6650E A 18. Sub-Brightness Adjustment Purpo se: T o get prope r br ightne ss. Symptom of Misadjustment: If Sub-Bri ghtnes s is incorre ct, prop er br ight ness ca nnot b e obtai ned by adju sting the Br ightn ess Contr ol. Note: IQW S etup lev el --- 7.
5-9 L6650E A 21. Convergence Adjustment Purpo se: T o obtain pro per convergence of red, gre en and blue beam s. Symptom of Misadjustment: If Con vergence Adju st- ment is inc orrect , the edge of whi te letters may ha v e color edg es.
L6650BLS BLOCK DIA GRAMS 6-1 6-2 58 73 75 63 62 80 56 SCL AFT AGC AFT AGC INPUT0 INPUT1 PRO TECT -2 PRO TECT -1 PRO TECT -3 P-ON-H SD A System Control Block Diagram REMO TE SENSOR KEY SWITCH 74 28 18 40 DG-ON-H +5V CTRL +5V CTRL2 +8V CTRL DG-ON-H +5V CTRL +5V CTRL2 +8V CTRL FROM/T O POWER SUPPL Y BLOCK FROM/T O CRT/H.
L6650BLIF 6-3 6-4 58 16 56 32 30 SCL CF31 CF32 VCO F/B Q33 AGC SD A S-SW (REAR) FROM/T O CRT/H.V . BLOCK WH301A T O CRT/H.V . BLOCK WH301B BLUE 5 GREEN 4 RED 3 IF/Video Block Diagram IC33 (IF SIGNAL P.
A udio Block Diagram MAIN CB A A UDIO SIGNAL 6-5 6-6 L6650BLA A-MUTE-H V OLUME FROM/T O SYSTEM CONTROL BLOCK INPUT 0 INPUT 1 SCL SD A SP802 SPEAKER R-CH CN802 SP-R 1 SP-GND 2 SP801 SPEAKER L-CH CN801 .
L6650BLCRT CRT/H.V. Block Diagram MAIN CBA CRT CBA 7 4 8 6 11 10 9 RAMP-OUT P-ON-H V-RAMP-F/B H-DRIVE GREEN AMP BLUE AMP Q572 Q571 Q531 Q561 Q551, Q552 VR562 VR561 PCC WIDTH T572 1 3 4 5 FBP ACL V- DRIVE H- DRIVE DY551 D.
L6650BLP 6-9 6-10 P ower Suppl y Bloc k Diagram 4A/125V F601 4A/125V LINE FIL TER L601 AC601 AC CORD DEGA USSING COIL L691 CN691 PS691 BRIDGE RECTIFIER D605 - D608 HO T COLD T601 6 4 2 1 13 14 12 1.
7-1 L13SC SCHEMATIC DIAGRAMS / CB A'S AND TEST POINTS Standard Notes Many electr ica l and mech anica l par ts in this cha ssis hav e speci al character is tics.
7-2 L13SC LIST OF CAUTION, NOTES, AND SYMBOLS U SED IN THE SCHEMATIC DIAGRAMS O N THE FOLLOWING PAGES: 1. CA UTION: FOR CONTINUED PRO TEC TION A GAINST RISK OF FIRE, REP LA CE ONL Y W ITH SAME TYPE_A ,_V FU SE. A TTENTION: UTILISER UN FUSIBLE D E RECHANGE DE M ÊME TYPE DE_A ,_V .
A1 A2 A3 A4 B1 B2 B3 B4 C1 C2 C3 C4 D1 D2 D3 D4 E1 E2 E3 E4 F1 F2 F3 F4 VIDEO SIGNAL Main 1/4 Schematic Diagram 7-3 7-4 L6650SCM1 M A IN 1 /4 Ref No . Posi t i o n I C151 A- 3 I C333 C-2 Q111 D- 1 Q13.
G1 G2 G3 G4 H1 H2 H3 H4 I1 I2 I3 I4 J1 J2 J3 J4 K1 K2 K3 K4 L1 L2 L3 L4 VIDEO SIGNAL A UDIO SIGNAL 7-5 7-6 L6650SCM2 Main 2/4 Schematic Diagram M A IN 2 /4 Ref No .
M1 M2 M3 M4 N1 N2 N3 N4 O1 O2 O3 O4 P1 P2 P3 P4 Q1 Q2 Q3 Q4 R1 R2 R3 R4 IF SIGNAL VIDEO SIGNAL A UDIO SIGNAL NOTE : The voltage for parts in hot circuit is measured using hot GND as a common terminal. CA UTION: FOR CONTINUED PR O TECTION AGAINST RISK OF FIRE, REPLACE ONL Y WITH SAME TYPE 4A, 125V FUSE.
S1 S2 S3 T1 T2 T3 U1 U2 U3 V1 V2 V3 W1 W2 W3 X1 X2 X3 VIDEO SIGNAL 7-9 7-10 L6650SCM4 Main 4/4 & CRT Schematic Diagram M A IN 4 /4 R ef N o . P os it ion R ef N o.
FOCUS-VR (UPPER SIDE) SCREEN-VR (LO WER SIDE) VR661 +B ADJ +B TP601 15kHz TP302 VR561 PCC VR562 WIDTH AG C TP301 TP300 GND Main CB A T op View BECA USE A HO T CHASSIS GROUND IS PRESENT IN THE PO WER SUPPL Y CIRCUIT , AN ISOLA TION TRANSFORMER MUST BE USED .
Q571 Base WF8 PIN 4 OF CN571 WF12 WF9 PIN 1 OF CN571 PIN 3 OF WH501A WF10 PIN 7 OF IC551 WF11 Q572 Collector WF7 WF1 PIN 3 OF IC33 PIN 8 OF TU1 WF16 WF2 PIN 14 OF IC333 PIN 5 OF IC801 WF6 Main CB A Bottom View BECA USE A HO T CHASSIS GROUND IS PRESENT IN THE PO WER SUPPL Y CIRCUIT , AN ISOLA TION TRANSFORMER MUST BE USED .
WF15 Q1511 Collector Q1511 Base WF3 WF14 Q1521 Collector Q1521 Base WF4 WF13 Q1531 Collector Q1531 Base WF5 GND TP500 BLUE TP501 7-15 BL6650F01011-2 7-16 CR T CB A T op View CR T CBA Bottom Vie w CRT CBA Ref No .
10 V 5 ms 1DIV: 0.5V 20 µ sec IC 33 Pin 3 WF1 GND 1DIV: 0.5V 20 µ sec IC 333 Pin 14 WF2 1DIV: 0.2V 20msec IC 801 Pin 5 WF6 1DIV: 200V 20 µ sec CN 571 Pin 1 WF9 GND 1DIV: 5V 20 µ sec WH501A Pin 3 W.
WIRING DIAGRAM CRT CBA FOCUS SCREEN GND D.Y. DY551 HD VD MAIN CBA BL6650F01011-1 WH301A CN1501 1 2 CN691 CLN501 CLN301 AC601 1 2 3 4 5 1 2 3 4 5 CN571 5 4 3 2 1 WH301B GND RED GREEN BLUE V501 CRT ANOD.
10-1 L6650P IN IC PIN FUNCT IONS IC333 (TV Micro Computer) Pin No. Signal Name Function 1G N D G N D 2 N.U . Not Used 3 N.U . Not Used 4 N.U . Not Used 5G N D G N D 6V C C A L + 5 V 7 N.
10-2 L6650P IN 70 RCV -IN Input For Remote Control 71 N.U . Not Used 72 I2C OPEN Whi te Balan ce Adjus tment Judgement 73 AFT AFT V oltage Inp ut 74 DG-ON-H Degaus sing C oil Contr ol 75 A GC A GC V olt age Inpu t 76 PRO TE CT 3 P ower Sup ply P rotecti on 77 N.
PB6 PB6 A3 A2 A1 L1 L1 B4 B4 SP801 SP802 B2 B2 B5 B5 B2 B1 B2 A6 L2 L2 L2 L2 L4 L2 L2 L3 L2 A5 B-8 B-7 B-6 L-1 L-1 B-9 L-1 L-1 A4 L-1 Scotch T ape #880 MAIN CBA CR T CBA A C601 V501 D Y551 CLN551 L691.
FRONT S2 S6 PACKING TAPE S5 S4 S3 S2 POP LABEL X2 X4 X3 TAPE X1 S1 Packing 11-3 L6250 PEX.
20030303 12- 1 L6650CA MECHANICAL P A R TS LIST PRODUCT SAFETY NO TE: Produ cts mar ked wit h a # hav e sp ecia l char act eristic s important to saf ety . Before replacing any of these c ompone nts, read care- fully the pr oduct safety notic e in this ser vice manual.
20030303 13- 1 L6650EL ELECTRICAL P ARTS LIST PRODUCT SAFE TY NO TE: Product s mar ked with a # ha ve special cha racter isti cs im por t ant to sa fety . Before replacing any of these c ompone nts, read care- fully the pr oduct safety notice i n this ser vice manual.
20030303 13- 2 L6650EL C325 CERAMIC CAP .(AX) SL J 12pF/50V CCA1JJTSL120 C328 ELECTROL YTIC CAP . 10 µ F/50V M or CE1J MAST L100 ELECTRO L YTIC CAP . 10 µ F/50V M CE1JMASDL100 C329 CERAMIC CAP .(AX) F Z 0.01 µ F/25 V CD A1E ZT0F103 C330 ST ACKED FILM CAP .
20030303 13- 3 L6650EL ELECTRO L YTIC CAP . 47 µ F/35V M CE1GMASDL470 C578 FILM C AP .(P) 0.01 µ F/50 V J or CMA1 JJS00 103 FILM C AP .(P) 0.01 µ F/50V J or CA1J 103MS 029 FILM C AP .(P) 0.01 µ F/50 V J TV or CMB1 JJ S0010 3 MYLAR CAP . 0.01 µ F/50V K 2250103 S C580 # PP CAP .
20030303 13- 4 L6650EL C802 ELECTROL YTIC CAP . 470 µ F/25V M or CE 1EMA STL47 1 ELECTRO L YTIC CAP . 470 µ F/25V M CE1EMASDL471 C803 FILM C AP .(P) 0.1 µ F/5 0V J or CMA1 JJS 00104 FILM C AP .(P) 0. 1 µ F /50V J or CA1J104MS 029 FILM C AP .(P) 0.
20030303 13- 5 L6650EL DIODE 1SS176TP A7 1SS176T D611 # ZENER DI ODE MTZJT -7720B or Q DTB00MT ZJ20 # ZENER DIODE DZ-20BSBT265 NDTB00DZ20BS D613 ZENE R DIOD E MTZ JT -778 .
20030303 13- 6 L6650EL L301 INDU CTOR 100 µ H- J-5F T or LLARJCST U101 INDUCTOR 100 µ H-K LLARKDQKA101 L341 PCB JUMPER D0.6-P5.0 JW5.0T L342 PCB JUMPER D0.
20030303 13- 7 L6650EL TRANSIST OR KTC3199(GR) or NQS10KTC3199 TRANSIST OR KTC3198(GR) or NQS40KTC3198 TRAN SISTOR 2SC 3331( T)-AA NP or 2S C333 1TZ TRAN SISTOR 2SC 3331( U)-AA NP o r 2SC333 1UZ TRANS.
20030303 13- 8 L6650EL R103 CARBON RES. 1/4W J 2 .2k Ω RCX4JA T Z022 2 R104 CARBON RES. 1/4W J 2 .7k Ω RCX4JA T Z027 2 R105 CARBON RES. 1/4W J 4 .7k Ω RCX4JA T Z047 2 R108 CARBON RES. 1/4W J 10k Ω RCX4J A TZ0 103 R109 CARBON RES. 1/4W J 10k Ω RCX4J A TZ0 103 R111 CARBON RES.
20030303 13- 9 L6650EL CARBON RES. 1/6W J 4 70 Ω RCX6JA TZ0471 R541 CARBON RES. 1/4W J 680 Ω o r RCX4J A TZ0 681 CARBON RES. 1/6W J 6 80 Ω RCX6JA TZ0681 R542 CARBON RES. 1/4W J 680 Ω o r RCX4J A TZ0 681 CARBON RES. 1/6W J 6 80 Ω RCX6JA TZ0681 R543 CARBON RES.
20030303 13- 10 L6650EL R683 # MET AL RESISTOR 2W J 39 Ω or RN02390ZU 001 # MET A L OXIDE FILM R ES. 2W J 3 9 Ω RN023 90D P004 R686 CARBON RES. 1/4W J 100 Ω o r RCX4J A TZ0 101 CARBON RES. 1/6W J 1 00 Ω RCX6JA TZ0101 R687 CARBON RES. 1/4W J 10 Ω or RCX4JA TZ0100 CARBON RES.
20030303 13- 11 L6650EL CRT CB A SW105 T A CT SWITCH SKQSAB or SST0101AL038 T ACT SWITCH KSM0612B or SST0101HH003 T ACT SWITCH SKHHAM SST 0101AL029 SW106 T A CT SWITCH SKQSAB or SST0101AL038 T ACT SWI.
20030303 13- 12 L6650EL C1531 CERAMIC CAP .(AX) B K 470pF/50V CCA1JKT0B471 C1532 CERAMIC CAP .(AX) B K 0.01 µ F/50V C A1J103TU 011 CONNECT ORS CN1501 PIN CONN ECT OR 005P-51 00 J TEA001 TG00 1 DIODES.
Printed in Ja pan 2003-0 3-20 HO SRT2232 X L6650UA.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Sylvania SRT2232X c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Sylvania SRT2232X - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Sylvania SRT2232X, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Sylvania SRT2232X va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Sylvania SRT2232X, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Sylvania SRT2232X.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Sylvania SRT2232X. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Sylvania SRT2232X ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
